1 TMenuBasis Method OnShow(Sender As %String) %String Method OnHide(Sender As %String) %String %String Sender:TControlBasis,KeyCode:%String Rij,Kolom,Selected Selected Dummy parameters ParentCanvas,Rij,Kolom,Selected Selected Marked ParentCanvas,Rij,Kolom Top,Final 1 Parent,Name TControl 1 Parent,Name Marked DoelType